18963992576

素因数分解:

$2^{12}\times {\mathrm{31}}^1\times {\mathrm{149351}}^1$

素因数の和:149406

約数の個数: 52

約数和(自身を含む): 39146951424

約数和(自身を除く): 20182958848

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2048, 3968, 4096, 7936, 15872, 31744, 63488, 126976, 149351, 298702, 597404, 1194808, 2389616, 4629881, 4779232, 9259762, 9558464, 18519524, 19116928, 37039048, 38233856, 74078096, 76467712, 148156192, 152935424, 296312384, 305870848, 592624768, 611741696, 1185249536, 2370499072, 4740998144, 9481996288, 18963992576]

約数ペア:

[(1, 18963992576), (2, 9481996288), (4, 4740998144), (8, 2370499072), (16, 1185249536), (31, 611741696), (32, 592624768), (62, 305870848), (64, 296312384), (124, 152935424), (128, 148156192), (248, 76467712), (256, 74078096), (496, 38233856), (512, 37039048), (992, 19116928), (1024, 18519524), (1984, 9558464), (2048, 9259762), (3968, 4779232), (4096, 4629881), (7936, 2389616), (15872, 1194808), (31744, 597404), (63488, 298702), (126976, 149351)]